When this card is Synchro Summoned to an Extra Monster Zone: You can return 1 other monster you control to your hand, then move this card to that monster's zone it was in when it left the field. When a monster you control returns to the hand; except the turn this card was sent to the GY: You may Special Summon this card from your GY. When this card inflict Battle Damage to your opponent, OR destroys a monster by battle: You can Return this card to your Extra Deck, then Special Summon any number of "Mist Valley" monsters from your hand.